function SetFigSize(str,handles)

if ishandle(handles)
    handles=guidata(handles);
end

switch str
    case '<<'
        str='>>';
        pos=[20,12,115,45];
    case '>>'
        str='<<';
        pos=[20,12,180,45];
end
set(handles.push_more,'string',str);
set(handles.fig_xfem,'position',pos);